[mips][msa] Added support for matching and, or, and xor from normal IR (i.e. not intrinsics)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191194 91177308-0d34-0410-b5e6-96231b3b80d8
[mips][msa] Added support for matching nor from normal IR (i.e. not intrinsics)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191195 91177308-0d34-0410-b5e6-96231b3b80d8
[mips][msa] Added support for matching pcnt from normal IR (i.e. not intrinsics)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191198 91177308-0d34-0410-b5e6-96231b3b80d8